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use overlayfs for /etc

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This commit is contained in:
DanyLE 2023-07-10 18:53:23 +02:00
parent 4637985cdd
commit ef288cd22e
3 changed files with 7 additions and 6 deletions
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4
recipes-diya/diya-overlay/diya-overlay.bb
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@ -17,14 +17,14 @@ GROUPADD_PACKAGES = "${PN}"
USERADD_PARAM:${PN} = "-u 1000 -d /home/diya -r -s /bin/sh diya"
INITSCRIPT_NAME = "confd"
INITSCRIPT_PARAMS = "start 80 S ."
INITSCRIPT_PARAMS = "start 0 S ."
do_install() {
install -d ${D}/${sysconfdir}/init.d/
install -m 0755 ${WORKDIR}/confd ${D}/${sysconfdir}/init.d/confd
install -d ${D}/usr/bin/
install -d ${D}/etc/default/volatiles
install -m 0644 ${WORKDIR}/80_diya ${D}${sysconfdir}/default/volatiles
# install -m 0644 ${WORKDIR}/80_diya ${D}${sysconfdir}/default/volatiles
install -m 0755 ${WORKDIR}/expandfs.sh ${D}/usr/bin/expandfs.sh
install -m 0755 ${WORKDIR}/fs_resize ${DEPLOY_DIR_IMAGE}/

5
recipes-diya/diya-overlay/files/80_diya
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@ -1,4 +1,3 @@
#d root root 0755 /var/etc/upper none
#d root root 0755 /var/etc/work none
# d root root 0755 /var/etc/upper none
# d root root 0755 /var/etc/work none
# l root root 0644 /etc/dropbear /var/etc/dropbear

4
recipes-diya/diya-overlay/files/confd
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@ -6,6 +6,9 @@ DESC="Auto deployment configuration from media"
case "$1" in
start)
echo -n "Start $DESC: "
# mount the overlay which is not auto mount by fstab
# this make /etc editable
mount -t overlay -o lowerdir=/etc,upperdir=/var/etc/upper,workdir=/var/etc/work overlay /etc
# for some reason the LCD backlight is turned off
# need to turn it on manually
echo 0 > /sys/class/backlight/backlight/bl_power
@ -31,7 +34,6 @@ case "$1" in
# display information
# disable wifi power save
/usr/sbin/iw wlan0 set power_save off
/sbin/ip a
;;
*)
N=/etc/init.d/$NAME